248971307

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4561}}^1$

素因数の和:4623

約数の個数: 24

約数和(自身を含む): 300544560

約数和(自身を除く): 51573253

約数列:

[1, 13, 17, 19, 169, 221, 247, 323, 2873, 3211, 4199, 4561, 54587, 59293, 77537, 86659, 770809, 1007981, 1126567, 1473203, 13103753, 14645371, 19151639, 248971307]

約数ペア:

[(1, 248971307), (13, 19151639), (17, 14645371), (19, 13103753), (169, 1473203), (221, 1126567), (247, 1007981), (323, 770809), (2873, 86659), (3211, 77537), (4199, 59293), (4561, 54587)]